/// <summary> /// Adds the ASP.NET Core appsettings.json configuration provider to the builder using the configuration file "appsettings.json", /// relative to the base path stored in <see cref="IConfigurationBuilder.Properties"/> of the builder. /// </summary> /// <param name="builder">The <see cref="IConfigurationBuilder"/> to add to.</param> /// <exception cref="ArgumentNullException">If <paramref name="builder"/> is null.</exception> /// <returns>The <see cref="IConfigurationBuilder"/>.</returns> public static IConfigurationBuilder AddAppSettingsJson(this IConfigurationBuilder builder) => builder.AddAppSettingsJson(DefaultReloadOnChange);